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Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

The ammonia molecule in the diagram has the observed bond orientation because